ignore manpages tar files

Author: JainTwinkle

.gitignore

@@ -25,6 +25,7 @@ local/
 include/config.h
 include/dmtcp.h
 include/stamp-h1
+dmtcp/manpages/*.gz
 dmtcp/src/dmtcp_checkpoint
 dmtcp/src/dmtcp_launch
 dmtcp/src/dmtcp_command
@@ -63,3 +64,5 @@ build/
 
 mpi-proxy-split/mpi-wrappers/p2p-deterministic.h
 mpi-proxy-split/mpi-wrappers/mana_p2p_update_logs
+
+manpages/*.gz